Thrust plate with wear layer
a technology of wear layer and thrust plate, which is applied in the direction of sliding contact bearings, rigid support of bearings, machines/engines, etc., can solve the problems of high wear rate on the given surface, material may not provide the required strength and stiffness of thrust plate, and the formation of thrust plate may pose cost consideration issues
Active Publication Date: 2015-03-10
CATERPILLAR INC
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Benefits of technology
The present patent provides a thrust plate with a wear layer and a locking mechanism for securely attaching the wear layer to the thrust plate. The wear layer is made of a different material than the core of the thrust plate and is mechanically fastened into a stepped portion on the side surfaces of the thrust plate. The wear layer is positioned radially inward from the mounting apertures of the thrust plate, which include a locking mechanism for securely attaching the thrust plate to a mounting structure. The technical effect of the present patent is to provide a thrust plate with improved resistance to wear and tear in high-performance applications.
Problems solved by technology
The mating of these two surfaces, that is the thrust plate and the crankshaft / camshaft, which are made of the same material may lead to high wear rates on the given surfaces.
However, such materials may not provide the required strength and stiffness to the thrust plate.
Also, the use of such materials for forming the thrust plate may pose cost consideration issues.
Method used
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[0017]Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or the like parts. FIG. 1 is an exemplary housing 102 of an engine. More specifically, the engine is a multi cylinder internal combustion engine. The engine may also be an external combustion engine or an air-breathing combustion engine. The engine may be powered by any one or a combination of known liquid or gaseous fuels including, but not limited to, gasoline, diesel, natural gas, petroleum gas and bio-fuels.
[0018]The engine housing 102 may include a cylinder head 104 and an engine block 106. The engine block 106 may include a plurality of cylinders 108. Each of the plurality of the cylinders 108 is configured to house a piston (not shown). The piston may have a translatory movement within the cylinder 108. The piston may be coupled to a crankshaft 110 by a connecting rod (not shown). The connecting rod may be configured to convert the translatory movement of the piston t...
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A thrust plate is provided. The thrust plate includes a first side surface and a second side surface. The thrust plate also includes an inner surface and an outer surface extending axially between the first and second side surfaces respectively. Further, the inner and outer surfaces of the thrust plate define an inner diameter and outer diameter respectively. The thrust plate further includes a number of mounting apertures extending between the first and second side surfaces. The number of mounting apertures is defined proximate to the outer diameter of the thrust plate. A wear layer is positioned radially inward from the mounting apertures. The wear layer is integrated into a stepped portion defining a wear prone area on the first and / or second side surfaces. Further, the wear layer is made of a material different from that of a core of the thrust plate.
Description
TECHNICAL FIELD[0001]The present disclosure relates to a thrust plate, and more particularly to the thrust plate provided with a wear layer.BACKGROUND[0002]A thrust plate is associated with a crankshaft and / or camshaft of an engine to restrict the movement of the crankshaft / camshaft. The thrust plate may be disposed about the crankshaft / camshaft such that, a surface of the crankshaft / camshaft mates with at least a portion of the thrust plate. The crankshaft / camshaft of the engine may be made of a material such as steel. The thrust plate is sometimes also made of the same or similar ferrous material as that of the crankshaft / camshaft. The mating of these two surfaces, that is the thrust plate and the crankshaft / camshaft, which are made of the same material may lead to high wear rates on the given surfaces.[0003]Known solutions include the use of a material, such as, for example, bronze, or aluminum bronze that is different from the material of the crankshaft / camshaft. A bronze thrust...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16C17/04F16C35/00F16C9/03F16C33/12
CPCF16C33/124F16C9/03F01L1/047F01L2001/0476F16C9/02F16C17/04F16C33/08F16C33/125F16C33/14F16C35/02F16C2360/18
Inventor RUDOLPH, PAUL D.
Owner CATERPILLAR INC